Featuring Nonin PureSAT® SpO2 technology, the WristOx2 3150 USB delivers fast, accurate oxygen saturation and pulse rate readings in challenging conditions, including low perfusion and motion. The WristOx2 3150 USB is compatible with a wide range of Nonin PureLight® sensors and provides continuous, reliable SpO2 monitoring and data recording. Applications include Six Minute Walk Tests and overnight oximetry studies at home, in the hospital, and in sleep labs. Features & Benefits: